Removable window-sash



No Model.) 2 Sheets-Sheet 2'.

J. LEHNBEUTER. REMQVABLB WNDoW SASH.

No. 525,987. Patented Sept. 11,1894.

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NITED STATES PATENT llamen.

JOSEPH LEHNBETER, OF ST. LOUIS, MISSOURI.

REMovABLE WINDOW-sAsH.

SPECIFICATION forming part of Letters Patent No. 525,987, dated September 11, 1894.

Application iiled April 2, 18941. Serial No. 505,982. (No model.)

T0 a/ZZ whom it may concern,.-

Be it known that I, JOSEPH LEHNBEUTER, of the city of StfLouis, in the State of Missouri, have invented a certain new and useful Improvement in Removable Window-Sashes, of which the following is a full, clear, and eX- act description, reference being had to the accompanying drawings, forming part of this specification.

My present invention relates to that class of window sashes, which are removable from the frame for the purpose of cleaning the glass; and the object of my present invention is to provide a simple and elfective means for holding the sash in the frame, and which, when it is desired to clean the glass, can be easily adjusted or moved so as to permit the sash to be swung out of the frame; and consists in features of novelty hereinafter fully described and pointed out in the claims.

Figure I is a detail, horizontal section, illustrative of my invention; the upper part of the figure being a section on the upper section line I-I, Fig. III, and the lower part of the figure being a section on the lower section line I-I, Fig. III. Fig. II is a vertical section, taken on line II-II, Fig. I. Fig. III is a side view, of the plate within which the eccentric Works. Fig. IV is a perspective view, showing the lower sash in its cleaning position. Fig. V is an enlarged, detail view,l showing the manner of connecting the supporting bars to the sash when the Window is to be cleaned. Fig. VI is a detail, top view, showing part of the sash. Fig. VII is a view similar to Fig. I, but showing a slight modification. Fig. VIII is a view, corresponding to the lower part of Fig. VII, but showing the adjustable strip in its outer position. Fig. IX is a detail, side view, part in section, and part broken away. Fig. X is an edge view of the cam bracket, for moving the pivot pin. Fig. XI is an outside face view of same. Fig. XII is aside view, showing the pivot pin in its Working position. Fig. XIII is an inner face view of the bracket.

Referring to the dra-wings, l represents part of a window frame; 2, represents the lower sash, and 3 the upper sash.

In the form" of my invention shown in Figs. I to VI inclusive, each sash is provided with a pair of vertical slots 4, in each of which fits a strip 5.

` Moving within openings 6 in the frame I are channel bars 7, which form the bearings for the strips 5, when in their outer positions, as shown in Fig. I. The bars 7 are preferably not so wide as the openings 6, so that the strips 5 fit outside of the bars, While the space within the channel bars is utilized to receive the sash-weight cords or straps 8.

Each strip 5, preferably about mid-way of its length, is provided with an opening 9,(see Fig. IIL) to receive an eccentric 10 on a shaft 1l, which may be turned by means of a button 12, as shown in Fig. I, or may be formed to receive a key, as shown in Fig. VII. Near its ends, each bar is provided with an openin g or hole 13, to receive a rod or wire 14:, that passes through the sash, as shown in the upper part of Fig. I, and in the upper and lower part of Fig. III. When the sash is in position in the window, the strips 5 bearing against the channel bars 7, serve to hold the sash in the frame, and guide it in its vertical movement.

I/Vhen the sash is to be cleaned, the eccentrics l0 are turned by means of the button l2, or other device applied to the shaft ll, and the strips 5 are moved inwardly in the slots 4, so as to be free of the channel bars 7, and the sash can then be swung outwardly from the frame, for the purpose of cleaning the glass. When the glass has been cleaned, the sash is swung back again into its vertical position, and the eccentrics turned back to their normal position, when the strips 5 will again engage with the channel bars 7.

By the use of eccentrics for moving the strips 5, a forcible pressure is obtained, as well as a uniform, gradual movement of the strips, and the device is easily applied, and is cheap.

It will be understood that the eccentrics willimpart a circular movement to the strips,

and for the purpose of guiding the strips at top and bottom, when they are moved at the center by means of the eccentric, Iemploy the pins let fitting in the openings 13 in the strips. The openings 13 being circular, and the movement imparted to the strips by the eccentric being in the arc of a circle, the surface of the openings 13 will bear constantly against the pins la as the strips are moved. I he use of the eccentrics also provides for a simple means of guiding the strips at top and bottom; that is to say, inasmuch as the eccentrlcs impart a circular movement to the plates, the guideis formed by simply ,making atround hole 13 in each strip, and driving a pin through the sash, so as to tit in the openlngs 1n the strips. When the sash is swung out to be cleaned, 1t may be either supported by the sash-Weight cords, or 1t may be supported by means of hooks 1G, hinged at their upper ends to the Window frame, and the free ends of which are adapted to lit in openings 17 formed in bracketslS secured to the sash, the brackets having pins 1f) to receive the hooks. (See Figs. V and VI.) Then the hooks are disengaged from the sash, they drop back into grooves or opening. 20, formed in the Window frame. In Figs. VII to IX inclusive, I have shown a slight modification, wherein each sash has a strip 5, fitting in a groove 5b in the sash, and adapted to be moved into the groove or space 6 in the Window frame. In this construction, instead of the strip 5 three short sections 5C are employed, as shown by dotted lm es, Fig. IX, secured to the strip 5, and in tlnsconstrnction, as in the others, the plates 5c are moved by the eccentrics 10, and are guided by the pins 14 fitting in the openings 13. These plates 5C also serve to guide the str ip mand hold itfroin twistingwhen moved to vlts outer position, or when it is in engagement with the window frame.

In Figs. IX to XIII inclusive, I have shown a pivot pin, which carries the sash, and which is automatically moved into engagement with the frame as the sash is swung out of a vertlcal position. There is a pin at each side of the sash, and each pin 25 has an arm 2G, to which the sash Weight cord or strap is secured, as shown at 27, Fig. IX. Each pin has a cam face 28,Whicl1 is engaged bya similai1 face 29 on abracliet 30 secured to the sash. The bracket 30 has an opening 31, to receive the pin 25, and back of the bracket the pin has a lug 32, which bears against the inner face of the bracket, the inner face of the bracket having a recess or cut-away portion 83, so that as the pin is forced outwardly by the cams 2S and 29, the projection moving in the cut-away portion 33 does notinterlere with the movement of the pin. The pins 25 are thus forced against the frame as the sash is swung out and serve to hold the bottom of the sash from movement.

My invention, in either one of its forms, may be used in a le or book ease, and the invention is capable, also of being applied to any kind of sliding doors.

I claim as my inventionn 1. In a removable window sash the combination of a strip fitting in the sash, and adapted to be moved into au opening in the window frame, separate plates secured to the strip and fitting in grooves back of the strip, and means for moving the plates, substan tially as and for the purpose set forth.

2. In a removable window sash, an adjustable pivot device, consisting of a pin 25, having an arm 26, a cam face 2S, a bracket 30 having a cam face 29, and a lug 32 on the pin 25, inside of the bracket; substantially as and for the purpose set forth.

In a removable window sash, the combination of a strip 5,and separate plates 5 connected to the strip 5, eccentric 10, means for moving the eccentric, and rods 14 fitting in perforations in the end plates 5; substantially as set forth.

JOSEPH LE IINBEUTER.

In presence 01E-- (l. G. EDWARDS, A. M. Ennnsonn. 

